1,4-Difluorobenzene CAS 540-36-3
Purity >95%In StockPharmaceutical Standards
| CAS No. | 540-36-3 |
| Molecular Formula | C6H4F2 |
| Molecular Weight | 114.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 1,4-Difluorobenzene (CAS 540-36-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C6H4F2. Molecular weight: 114.09 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C6H4F2 |
| Molecular Weight | 114.09 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
Related Difluorobenzene Standards
- 1,2-Difluorobenzene (CAS 367-11-3)
- 1,3-Difluorobenzene-d4 (CAS 1173022-08-6)
- 4-Ethyl-1,2-difluorobenzene (CAS 116850-25-0)
- 1-Ethyl-3,5-difluorobenzene (CAS 117358-52-8)
- 1-Ethyl-2,3-difluorobenzene (CAS 152422-03-2)
- 2-Ethyl-1,3-difluorobenzene (CAS 83484-01-9)
- 2,6-Difluorobenzene-1,4-diamine (CAS 3743-86-0)
- 4,6-Difluorobenzene-1,3-diamine (CAS 25170-74-5)
Recommended Standards
- Voriconazole Impurity 52 (CAS 372-18-9)
- 201740-95-6 (~13~C_6_)Phenylmethanol DTXSID70584347 (CAS 201740-95-6)
- 2,5-Dihydrofuran-3-carboxylic acid (CAS 1002728-73-5)
- 1-(Tetrahydro-2H-pyran-4-ylcarbonyl)-4-piperidinecarboxylic acid (CAS 1042796-19-9)
- 5-Chloro-UR-144 (1.0 mg/mL in Methanol) (CAS 1445577-42-3)
- 4-(4-Aminophenyl)-3-methyl-4-oxobutanoic acid hydrochloride (CAS 120757-13-3)
- 2-Hydroxy-N-(2,2,2-trifluoroethyl)acetamide (CAS 1153759-00-2)
- (E)-3-methoxy-5-styrylphenyl acetate (CAS 71144-78-0)
- Azido-dPEG<SUP>®</SUP><SUB>12</SUB>-acid (CAS 1167575-20-3)
- Autocamtide-2-Related Inhibitory Peptide TFA (CAS 167114-91-2（free base）)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com